<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<style>
body{
    margin: 0;
    padding: 0;
}
.circle{
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%,-50%);
    width: 150px;
    height: 150px;
    background-color: #ccc;
    border: 5px solid #fff;
    box-shadow: 0 0 0 5px #4973ff;
    border-radius: 50%;
    overflow: hidden;
}
.wave{
    position: relative;
    width: 100%;
    height: 100%;
    background: #4973ff;
    border-radius: 50%;
    box-shadow: inset 0 0 50px rgba(0, 0, 0,0.5);
}
.wave:before,
.wave:after{
    content: '';
    position: absolute;
    width: 200%;
    height: 200%;
    left: 50%;
    top: 0;
    transform: translate(-50%,-75%);
    background: #000;
}

.wave:before{
    border-radius: 45%;
    background: rgba(255, 255, 255, 1);
    animation: animate 5s linear infinite;
} 
.wave:after{
    border-radius: 40%;
    background: rgba(255, 255, 255, .5);
    animation: animate 10s linear infinite;
    
}
@keyframes animate {
    0%{
        transform: translate(-50%,-75%) rotate(0deg);
    }
    100%{
        transform: translate(-50%,-75%) rotate(360deg);
    }
}
</style>
<body>
    <div class="circle">
        <div class="wave"></div>
    </div>
</body>
</html>